package com.study.service.impl;

import com.study.dao.IAccountDao;
import com.study.domain.Account;
import com.study.service.IAccountService;
import com.study.utils.TransactionUtil;

import java.util.List;

/**
 * 账户的业务层实现类
 * 事务控制应该都在业务层,而不是持久层
 */
public class AccountServiceImpl implements IAccountService{

    private IAccountDao accountDao;
    private TransactionUtil transactionUtil;

    public void setAccountDao(IAccountDao accountDao) {
        this.accountDao = accountDao;
    }

    public void setTransactionUtil(TransactionUtil transactionUtil) {
        this.transactionUtil = transactionUtil;
    }

    @Override
    public List<Account> findAllAccount() {
        return accountDao.findAllAccount();
    }

    @Override
    public Account findAccountById(Integer accountId) {
        return accountDao.findAccountById(accountId);
    }

    @Override
    public void saveAccount(Account account) {
        accountDao.saveAccount(account);
    }

    @Override
    public void updateAccount(Account account) {
        accountDao.updateAccount(account);
    }

    @Override
    public void deleteAccount(Integer acccountId) {
        accountDao.deleteAccount(acccountId);
    }

    @Override
    public void tranferAccount(int sourceid, int targetid, Float money) {
       try {
           transactionUtil.beginTransaction();
           Account source = accountDao.findAccountById(sourceid);
           Account target = accountDao.findAccountById(targetid);
           source.setMoney(source.getMoney() - money);
           target.setMoney(target.getMoney() + money);
           accountDao.updateAccount(source);
           accountDao.updateAccount(target);
           transactionUtil.commitTransaction();
       }catch(Exception e){
           e.printStackTrace();
           transactionUtil.rollbackTransaction();
       }finally {
           transactionUtil.releaseTransaction();
       }
    }
}
